function loadurl(url,id){
    var pagecnx = createXMLHttpRequest();
    pagecnx.onreadystatechange = function(){
        if (pagecnx.readyState == 4 && (pagecnx.status == 200 || window.location.href.indexOf("http") == -1))
        document.getElementById(id).innerHTML = pagecnx.responseText;
    }
    pagecnx.open('GET',url,true)
    pagecnx.send(null)
   
}

function loadurlkey(e,url,id){
    tecla = (document.all) ? e.keyCode : e.which;
    if (tecla==13)
        loadurl(url,id);
}

function createXMLHttpRequest(){
    var xmlHttp=null;
    if (window.ActiveXObject) 
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
    else if (window.XMLHttpRequest) 
        xmlHttp = new XMLHttpRequest();
    return xmlHttp;
}


